Security holes in Wi-Fi and other systems

"RESEARCHERS at the Queensland University of Technology have discovered an easily-exploited vulnerability which can be used to take down most 802.11 wireless networks. The flaw operates at lower network layers than most previously-discovered security flaws in 802.11 networking, and affect any network operating at the 2.4GHz frequency - which is the sole frequency used by the most popular wireless protocol, 802.11b," reports Australian IT.

eEye Digital Security has also reported a "critical vulnerability in the Symantec firewall product line that would allow a remote, anonymous attacker to execute arbitrary code on a system running an affected version of the product." That brings the number of Symantec firewall flaws eEye has reported since April 23 up to five. See here. Symantec has patches.

Microsoft also released a patch this month for the relatively minor (by Microsoft standards) vulnerability in its Help and Support Center code (ie hcp:// pages), as eWeek reports.